TWIN VALLEY INC
PWSID: CA4300575 · Castroville, CA · Serves 317 people
According to EPA Safe Drinking Water Information System (SDWIS), TWIN VALLEY INC (PWSID CA4300575) in Castroville, CA is listed as a CWS water system covering about 317 people. The same extract lists 57 health-based violation records spanning 2017-2023. Those 57 health-based rows for TWIN VALLEY INC cover contaminants such as Nitrate; they remain historical EPA registry entries, not a current compliance or drinkability score.
TWIN VALLEY INC has 57 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Nitrate. Recorded violations span 2017–2023. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA4300575
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Castroville, CA
- Population Served
- 317
- Health Violations
- Yes (57)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 57 | 57 |
Violation History (57)
| Contaminant | Health | Date |
|---|---|---|
| Nitrate | Yes | Nov 1, 2023 |
| Nitrate | Yes | Nov 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Jun 1, 2023 |
| Nitrate | Yes | Jun 1, 2023 |
| Nitrate | Yes | Nov 1, 2022 |
| Nitrate | Yes | Oct 1, 2022 |
| Nitrate | Yes | Sep 1, 2022 |
| Nitrate | Yes | Aug 1, 2022 |
| Nitrate | Yes | Jul 1, 2022 |
| Nitrate | Yes | May 1, 2022 |
| Nitrate | Yes | Dec 1, 2021 |
| Nitrate | Yes | Nov 1, 2021 |
| Nitrate | Yes | Oct 1, 2021 |
| Nitrate | Yes | Sep 1, 2021 |
| Nitrate | Yes | Aug 1, 2021 |
| Nitrate | Yes | Jul 1, 2021 |
| Nitrate | Yes | Jun 1, 2021 |
| Nitrate | Yes | May 1, 2021 |
| Nitrate | Yes | Apr 1, 2021 |
| Nitrate | Yes | Mar 1, 2021 |
| Nitrate | Yes | Feb 1, 2021 |
| Nitrate | Yes | Jan 1, 2021 |
| Nitrate | Yes | Dec 1, 2020 |
| Nitrate | Yes | Nov 1, 2020 |
| Nitrate | Yes | Oct 1, 2020 |
| Nitrate | Yes | Aug 1, 2020 |
| Nitrate | Yes | Jul 1, 2020 |
| Nitrate | Yes | Jun 1, 2020 |
| Nitrate | Yes | May 1, 2020 |
| Nitrate | Yes | Apr 1, 2020 |
| Nitrate | Yes | Mar 1, 2020 |
| Nitrate | Yes | Feb 1, 2020 |
| Nitrate | Yes | Jan 1, 2020 |
| Nitrate | Yes | Dec 1, 2019 |
| Nitrate | Yes | Nov 1, 2019 |
| Nitrate | Yes | Oct 1, 2019 |
| Nitrate | Yes | Sep 1, 2019 |
| Nitrate | Yes | Aug 1, 2019 |
| Nitrate | Yes | Jul 1, 2019 |
| Nitrate | Yes | Jun 1, 2019 |
| Nitrate | Yes | May 1, 2019 |
| Nitrate | Yes | Jan 1, 2019 |
| Nitrate | Yes | Dec 1, 2018 |
| Nitrate | Yes | Nov 1, 2018 |
| Nitrate | Yes | Oct 1, 2018 |
| Nitrate | Yes | Sep 1, 2018 |
| Nitrate | Yes | Aug 1, 2018 |
| Nitrate | Yes | Jul 1, 2018 |
| Nitrate | Yes | Jun 1, 2018 |
| Nitrate | Yes | May 1, 2018 |
| Nitrate | Yes | Apr 1, 2018 |
| Nitrate | Yes | Mar 1, 2018 |
| Nitrate | Yes | Feb 1, 2018 |
| Nitrate | Yes | Jan 1, 2018 |
| Nitrate | Yes | Dec 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for TWIN VALLEY INC?
How many people does TWIN VALLEY INC serve?
What violations does TWIN VALLEY INC have?
What contaminants have been found in TWIN VALLEY INC water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TWIN VALLEY INC on cumulative violation count (57) and EPA-reported population served (317). Violation-count peers include BELOIT, CITY OF, MITCHELL CO RWD 3, CEDAR-KNOX RURAL WATER PROJECT.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
TWIN VALLEY INC (CA4300575) is drawn from EPA SDWIS. Nearby county systems in this extract include CAL AM WATER COMPANY - MONTEREY; ALCO WATER SERVICE; MARINA COAST WATER DISTRICT; SOLEDAD, CITY OF. Health-based rows (57 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.